[wasm] Generate source position information

src/wasm/wasm-opcodes.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_WASM_OPCODES_H_
 #define V8_WASM_OPCODES_H_
 
 #include "src/machine-type.h"
 #include "src/signature.h"
 
@@ skipping 228 matching lines @@
   V(F64UConvertI64, 0xb1, d_l)    \
   V(F64ConvertF32, 0xb2, d_f)     \
   V(F64ReinterpretI64, 0xb3, d_l) \
   V(I32ReinterpretF32, 0xb4, i_f) \
   V(I64ReinterpretF64, 0xb5, l_d) \
   V(I32Ror, 0xb6, i_ii)           \
   V(I32Rol, 0xb7, i_ii)           \
   V(I64Ror, 0xb8, l_ll)           \
   V(I64Rol, 0xb9, l_ll)
 
+// Simple expressions which can trap
+#define FOREACH_SIMPLE_TRAPPING_OPCODE(V) \
+  V(I32DivS)                              \
+  V(I32DivU)                              \
+  V(I32RemS)                              \
+  V(I32RemU)                              \
+  V(I64DivS)                              \
+  V(I64DivU)                              \
+  V(I64RemS)                              \
+  V(I64RemU)                              \
+  V(I32SConvertF32)                       \
+  V(I32SConvertF64)                       \
+  V(I32UConvertF32)                       \
+  V(I32UConvertF64)                       \
+  V(I64SConvertF32)                       \
+  V(I64SConvertF64)                       \
+  V(I64UConvertF32)                       \
+  V(I64UConvertF64)
+
 // For compatibility with Asm.js.
 #define FOREACH_ASMJS_COMPAT_OPCODE(V) \
   V(F64Acos, 0xc0, d_d)                \
   V(F64Asin, 0xc1, d_d)                \
   V(F64Atan, 0xc2, d_d)                \
   V(F64Cos, 0xc3, d_d)                 \
   V(F64Sin, 0xc4, d_d)                 \
   V(F64Tan, 0xc5, d_d)                 \
   V(F64Exp, 0xc6, d_d)                 \
   V(F64Log, 0xc7, d_d)                 \
@@ skipping 256 matching lines @@
       default:
         return "<unknown>";
     }
   }
 };
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_OPCODES_H_